/*
    * The contents of this file are subject to the terms of the Common Development and
    * Distribution License (the License). You may not use this file except in compliance with the
    * License.
    *
    * You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
    * specific language governing permission and limitations under the License.
    *
    * When distributing Covered Software, include this CDDL Header Notice in each file and include
   * the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
   * Header, with the fields enclosed by brackets [] replaced by your own identifying
   * information: "Portions copyright [year] [name of copyright owner]".
   *
   * Copyright 2016 ForgeRock AS.
   */
  
  package org.forgerock.json.resource;
  
  import org.forgerock.api.models.ApiDescription;
  import org.forgerock.http.ApiProducer;
  import org.forgerock.services.context.Context;
  import org.forgerock.services.descriptor.Describable;
  
  /**
   * Version of {@link SynchronousRequestHandlerAdapter} that exposes a described handler.
   */
  public class DescribedSyncRequestHandlerAdapter extends SynchronousRequestHandlerAdapter
          implements Describable<ApiDescription, Request> {
  
      private final Describable<ApiDescription, Request> described;
  
      @SuppressWarnings("unchecked")
      DescribedSyncRequestHandlerAdapter(SynchronousRequestHandler syncHandler) {
          super(syncHandler);
          if (!(syncHandler instanceof Describable)) {
              throw new IllegalArgumentException("Handler must be Describable");
          }
          this.described = (Describable<ApiDescription, Request>) syncHandler;
      }
  
      @Override
      public ApiDescription api(ApiProducer<ApiDescription> producer) {
          return described.api(producer);
      }
  
      @Override
      public ApiDescription handleApiRequest(Context context, Request request) {
          return described.handleApiRequest(context, request);
      }
  
      @Override
      public void addDescriptorListener(Describable.Listener listener) {
          described.addDescriptorListener(listener);
      }
  
      @Override
      public void removeDescriptorListener(Describable.Listener listener) {
          described.removeDescriptorListener(listener);
      }
  }